LuteinXanthophyllsCholineCarotenoidsNutritional RequirementsCholine DeficiencyDietIronNitrogenPantothenic Acidbeta CaroteneNutritional Physiological PhenomenaNutrition PolicyDietary SupplementsVitaminsPhosphatidylethanolamine N-MethyltransferaseMineralsZincPhosphatesEnergy IntakeCation Transport ProteinsCulture MediaSiderophoresBiological TransportAscorbic AcidDietary ProteinsPregnancyBacterial ProteinsSymbiosisHomeostasisDietary FatsHemeMacula LuteaCopperRetinal PigmentsAmino AcidsGlucoseGene Expression Regulation, BacterialModels, BiologicalMolecular Sequence DataPhotometryBody WeightNutritive ValueMutationSaccharomyces cerevisiaeVegetablesCarrier ProteinsMacular DegenerationLiverFoodTime FactorsVitamin ASignal TransductionMicronutrientsAmino Acid SequenceAntioxidantsAnimal Nutritional Physiological PhenomenaEggsChromatography, High Pressure Liquidalpha-TocopherolEgg YolkFruitPhosphorusFood AnalysisVitamin EDiet Surveys